煙流動二層ゾーンモデルの流量仮定法による計算法

概要

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The basic equations of two zones model of smoke movement are derived by the basic theory of flow and these are expressed by the incidence matrix and the loop matrix of graph theory. If the air temperature is constant and dP/dt=0 in all rooms, then some different equations are derived by the combination of the basic equations. However when the approximation of [numerical formula] is permitted, it is possible to ignore the differences. The calculation methods by means of the Pressure Assuming Method and the Flow Rate Assuming Method are considered by the representation of the incidence matrix and the loop matrix in the condition of two zones smoke flow. When the net flows in all branches are used, it is able to adapt simply the calculation method of one zone perfect mixing model. It is not necessary to change the graph of the one zone model and it is efficient to adapt the calculation method by means of the Flow Rate Assuming Method for two zones model of smoke movement because of the preservation of the advantage of the reduced computing times.
社団法人日本建築学会の論文
1996-04-30